WO2013065826A1 - 浮体式流体力利用システム及びこれを用いた風力推進船 - Google Patents

浮体式流体力利用システム及びこれを用いた風力推進船 Download PDF

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Publication number
WO2013065826A1
WO2013065826A1 PCT/JP2012/078487 JP2012078487W WO2013065826A1 WO 2013065826 A1 WO2013065826 A1 WO 2013065826A1 JP 2012078487 W JP2012078487 W JP 2012078487W WO 2013065826 A1 WO2013065826 A1 WO 2013065826A1
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WO
WIPO (PCT)
Prior art keywords
wind
turbine
vertical axis
floating body
assembly
Prior art date
Application number
PCT/JP2012/078487
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English (en)
French (fr)
Japanese (ja)
Inventor
拓樹 中村
博路 秋元
Original Assignee
Nakamura Takuju
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nakamura Takuju filed Critical Nakamura Takuju
Priority to KR1020147011395A priority Critical patent/KR101640386B1/ko
Priority to CN201280053825.9A priority patent/CN104040170B/zh
Priority to US14/356,086 priority patent/US9751602B2/en
Priority to RU2014122541A priority patent/RU2607713C2/ru
Priority to EP12844964.2A priority patent/EP2775140A4/en
Priority to AU2012333478A priority patent/AU2012333478B2/en
Priority to EP17196371.3A priority patent/EP3333417B1/en
Priority to BR112014010317-8A priority patent/BR112014010317B1/pt
Priority to SG11201402000QA priority patent/SG11201402000QA/en
Priority to CA2854072A priority patent/CA2854072C/en
Publication of WO2013065826A1 publication Critical patent/WO2013065826A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/04—Propulsive elements directly acting on water of rotary type with rotation axis substantially at right angles to propulsive direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H13/00—Marine propulsion by wind motors driving water-engaging propulsive elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H9/00—Marine propulsion provided directly by wind power
    • B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H9/00—Marine propulsion provided directly by wind power
    • B63H9/04—Marine propulsion provided directly by wind power using sails or like wind-catching surfaces
    • B63H9/06—Types of sail; Constructional features of sails; Arrangements thereof on vessels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • F03B13/1805—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem
    • F03B13/181—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem for limited rotation
    • F03B13/182—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem for limited rotation with a to-and-fro movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D5/00—Other wind motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/008—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with water energy converters, e.g. a water turbine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/4433—Floating structures carrying electric power plants
    • B63B2035/4466—Floating structures carrying electric power plants for converting water energy into electric energy, e.g. from tidal flows, waves or currents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/22—Foundations specially adapted for wind motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/91—Mounting on supporting structures or systems on a stationary structure
    • F05B2240/913—Mounting on supporting structures or systems on a stationary structure on a mast
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/95—Mounting on supporting structures or systems offshore
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2250/00—Geometry
    • F05B2250/40—Movement of component
    • F05B2250/42—Movement of component with two degrees of freedom
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/727—Offshore wind turbines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to a floating fluid force utilization system that can be used in a oscillating ship or an offshore structure, and a wind propulsion ship using the same.
  • a windmill receives strong wind power when it converts wind energy into rotational force, which generates a moment that causes the windmill to lie down, but a horizontal axis windmill developed on land has a single horizontal axis supported at a high position in the air.
  • a huge tipping moment is generated at the base of the vertical column.
  • a wind turbine that rotates around the top end of the wind turbine column is attached, and the wind turbine needs to constantly change its direction so that the wind turbine faces the wind. It is not possible to stretch the guy wire that supports the column to support the arm.
  • the turntable of a horizontal axis windmill is provided just under the nacelle of the upper end of a support
  • the functions necessary for horizontal axis wind power generation include equipment that needs to be installed around the rotation of the wind turbine axis, such as a horizontal axis bearing support system, speed increasing gear, generator, brake, blade pitch control device, etc.
  • FIG. 17 is a diagram schematically showing the relationship between the inclination and the restoring force when a horizontal axis wind turbine is mounted on a floating body as Comparative Example 1.
  • the floating body in order for the floating body to have a restoring force, it is necessary to have the center of gravity at a position lower than the metacenter in the vicinity of the floating body (the intersection of the buoyancy line and the floating body centerline). Since all heavy equipment is at a high position in the air, the center of gravity G is very high and it cannot have a restoring force. That is, when the land-type horizontal axis wind turbine 200 is fixed and installed on the floating body 201, as shown in FIG.
  • the turntable is installed at the upper end of the wind turbine column 202 unless the necessity of firmly fixing the wind turbine column 202 to the floating body 201 can be excluded. It is necessary to inevitably put all the upstream devices on the nacelle 203 above, and it is difficult to lower the center of gravity G.
  • FIG. 18 is a diagram schematically showing the relationship between the inclination and the restoring force when a vertical axis wind turbine is placed on a floating body as Comparative Example 2, where (a) shows a slight inclination, and (b) shows an inclination. (C) shows a state where the inclination is further increased.
  • the vertical axis wind turbine 300 as shown in FIG. 18 is used with respect to the horizontal axis wind turbine 200 of the comparative example 1, all heavy equipment is mounted on the floating body 301 in the same manner as if the heavy equipment is usually provided on the ground, not high in the air.
  • the center of gravity G should be considerably low.
  • FIG. 19 is a diagram schematically showing the relationship between the inclination and the restoring force when the vertical axis wind turbine is supported so as not to tilt with respect to the floating body and an underwater ballast is provided as Comparative Example 3.
  • ballast is provided in the water, and a structure with resilience is realized no matter how much it tilts.
  • FIG. 19 it is conceivable to provide a vertical axis windmill 400 in which a support 403 is supported so as not to tilt with respect to the floating body 401 and a ballast 402 is provided in water. .
  • the vertical axis windmill 400 can be realized because the center of gravity G is lower than the rotational center (buoyancy center C) of the tilting motion in the vicinity of the floating body 401, but in this case, the attachment portion of the column 403 to the floating body 401 Since 401a is overstressed, it is not realistic to support it alone. Fore stays and side stays (not shown) that support the pillars 403 are three-way like the vertical wire wind turbine guy wires. It is realized for the first time by being stretched in all directions.
  • the present invention has been made in view of the above-described situation, and an object of the present invention is to provide a floating body fluid force utilization system that can cope with a falling moment due to fluid force and can suppress the inclination and enlargement of the floating body. It is to provide a wind-powered propulsion ship used.
  • the present invention is a floating fluid force utilization system including an assembly that extracts energy from wind or water, and a floating body that supports the assembly, wherein the assembly includes a force receiving portion that receives fluid force, and the force receiving force
  • the assembly is characterized in that the assembly has a center of gravity disposed below the surface of the water and is supported so as to be swingable in any direction with respect to the floating body.
  • the center of gravity of the assembly is disposed below the water surface and is supported so as to be swingable in any direction with respect to the floating body, the assembly is in any direction when subjected to fluid force.
  • the gravity applied to the center of gravity below the surface of the water generates a restoring force that tries to return the inclination around the support portion of the swing shaft.
  • This restoring force increases as the inclination increases and is not lost, so the assembly itself can counter the overturning moment of the assembly. Therefore, it is not necessary for the floating body to bear the overturning moment, and therefore it is not necessary to install a guy wire, so that the floating body can be reduced in size.
  • the assembly is supported so as to be swingable with respect to the floating body, the inclination of the assembly is not transmitted to the floating body.
  • the force receiving portion it is conceivable to use a sail that receives wind, a fixed wing, a horizontal or vertical windmill, a tidal force sail that receives tidal force, a keel, a horizontal or vertical turbine, and the like.
  • the assembly may be supported so as to be able to swing with respect to the floating body via any one of a pin joint, a universal joint, a pillow ball type spherical bearing and an elastic body support mechanism.
  • a large weight assembly can be easily and reliably supported on a floating body while allowing rocking.
  • the assembly may be supported so as to be rotatable about the central axis of the support column with respect to the floating body.
  • the floating fluid force utilization system uses wind power as at least one of the fluid energy, wherein the force receiving portion includes a wind receiving portion that receives wind force in the air, and the strut is configured to receive the power receiving portion. It is good also as a structure provided with the upper support
  • the force receiving portion is configured to include a wind receiving portion that receives wind power in the air
  • the support column includes the upper support column that supports the wind receiving portion and the ballast disposed below the water surface. And supporting the entire assembly so as to be swingable and rotatable with respect to the floating body while supporting the wind receiving portion and the ballast with the supporting pillars arranged so as to penetrate the floating body. be able to.
  • the wind receiving part is a fixed wing, it is necessary to change the direction of the force receiving part according to the wind direction, but the ballast for balancing in water is cylindrical or spherical (rotationally symmetric with respect to the rotation axis of the column).
  • the upper strut that holds the force receiving portion in the air and the lower strut that holds the ballast in water can be integrally configured.
  • the upper support column and the lower support column may be connected so as to be relatively coaxially rotatable through a bearing in a rigid state with respect to the center axis of the support column.
  • the upper support column and the lower support column are coupled to each other so as to be relatively coaxially rotatable via the bearing in a rigid state with respect to the central axis of the support column.
  • the lower support column and the ballast can be configured not to rotate. Therefore, for example, it can prevent that a lower support
  • the force receiving portion includes a horizontal axis wind turbine or a vertical axis wind turbine.
  • the center of gravity of the assembly is disposed below the water surface, and the entire assembly including these wind turbines swings with respect to the floating body. Since it is supported as much as possible, it can counter the overturning moment, and can suppress the inclination and enlargement of the floating body.
  • the force receiving portion is configured to include a horizontal axis turbine or a vertical axis turbine, and the horizontal axis turbine or the vertical axis turbine is arranged below the water surface and functions as a ballast or a part thereof. May be.
  • the center of gravity of the assembly is disposed below the water surface, and the entire assembly including these turbines swings with respect to the floating body. Since it is supported as much as possible, it can counter the overturning moment, and can suppress the inclination and enlargement of the floating body. Further, since the horizontal axis turbine or the vertical axis turbine functions as a ballast or a part thereof, it is not necessary to provide a separate ballast, and the structure can be simplified. Furthermore, it can be set as the structure which provides a windmill and a water wheel on the upper and lower sides of a support
  • the upper strut and the lower strut are connected to each other via a gear system so as to rotate coaxially while maintaining a predetermined relative rotational relationship, and are relatively rotatable and swingable with respect to the floating body. It is good also as a structure supported so that it is possible.
  • the upper strut and the lower strut are connected to each other via the gear system, so that both rotate coaxially while maintaining a predetermined relative rotational relationship.
  • the wind receiving part is configured as a vertical axis wind turbine
  • the ballast part is configured as a vertical axis water turbine
  • the upper support column and the lower support column are connected to each other through a bearing and a planetary gear system or a differential gear system while maintaining a rigid axis. If the upper strut and the wind receiving portion are rotated a plurality of times while the lower strut and the vertical axis turbine are rotated once, both energies can be efficiently extracted.
  • the upper strut and the lower strut transmit rotation of one of the upper strut and the lower strut to the other under a predetermined condition, and the other one of the upper strut and the lower strut under other conditions. It is good also as a structure which has a mechanism which does not transmit one rotation to the other.
  • the assembly includes a rotational energy extraction unit that extracts rotational energy from the rotation of the force receiving unit, and the upper support column and the lower support column are configured to rotate coaxially with each other, and the rotational energy extraction unit includes: It is good also as a structure arrange
  • the upper support column and the lower support column are configured to rotate coaxially with each other, and the rotational energy extraction unit is attached so that the torque generated when the energy is extracted is canceled with each other. Rotation of the floating body and the burden on the mooring system of the floating body can be suppressed.
  • the traveling direction of the blades of the wind turbine and the water turbine is set so that the lower support column provided with the vertical axis turbine and the upper support column provided with the vertical axis wind turbine always rotate in the reverse direction. If a reverse rotation gear system is interposed between the upper strut and the lower strut, the torques cancel each other, and the problem can be solved or reduced.
  • the rotational energy extraction unit is a generator including a rotor and a stator, and the generator connects the rotor to one of the upper strut and the lower strut and connects the stator to the other.
  • the power may be generated by the differential between the rotor and the stator.
  • the rotor when converting rotational energy into electric power and taking it out, the rotor is connected to one of the upper strut and the lower strut, and the stator is connected to the other to generate power by differential. If comprised in this way, torque will be canceled and it will become a relatively high rotation speed, for example, the number of poles of a generator can be reduced and a smaller generator can be used.
  • the force receiving unit may include a lift type vertical axis wind turbine and a drag type vertical axis wind turbine, and the vertical axis wind turbine may be activated by rotation of the vertical axis turbine.
  • a lift type vertical axis wind turbine that is generally poor in self-startability can be started by a drag type vertical axis turbine having relatively good startability.
  • the vertical axis turbine is provided below the surface of the water, the wind flow corresponding to the vertical axis wind turbine is not disturbed, and a decrease in the rotational efficiency of the wind turbine can be suppressed.
  • a vertical axis wind turbine has the advantage that the lift type wind turbine represented by the Darrieus type is efficient, and there is no need to adjust any wind from any wind direction. Otherwise, there is a disadvantage that self-activation is not possible.
  • a gyromill type windmill that enables self-start by adding a link mechanism that changes the angle of attack depending on the windward and leeward positions, but it depends on the wind direction and the relationship between the rotational speed and the wind speed. Since adjustment is required and the mechanism is mounted at a location out of reach, there is a drawback that maintenance is difficult on the ocean.
  • the Darrieus type windmill has a drawback in that it reduces the efficiency by disturbing the wind flow corresponding to the Darrieus-type windmill.
  • a Darius type wind turbine can be used by using a Darius type and a Savonius type for a tidal force below the surface of the water. If comprised in this way, a Savonius type
  • the force receiving portion includes a lift type vertical axis wind turbine and a drag type vertical axis wind turbine
  • the vertical axis turbine is connected to the vertical axis wind turbine via a speed increasing device
  • the speed device transmits the rotation of the vertical axis wind turbine to the vertical axis wind turbine when the rotational speed after the acceleration of the vertical axis wind turbine is equal to or less than the rotation speed of the vertical axis wind turbine, and after the acceleration of the vertical axis wind turbine
  • the rotation of the vertical axis wind turbine may not be transmitted to the vertical axis turbine.
  • the rotation of the vertical axis turbine after the acceleration is equal to or lower than the rotation speed of the vertical axis turbine
  • the rotation of the vertical axis turbine is transmitted to the vertical axis wind turbine.
  • the startability of a windmill can be improved.
  • the rotation speed of the vertical axis wind turbine after the speed increase is larger than the rotation speed of the vertical axis turbine, the rotation of the vertical axis wind turbine is not transmitted to the vertical axis turbine, so that the vertical axis turbine does not become a resistance.
  • the tidal current design speed is generally much slower than the wind design wind speed, and the Savonius rotor is more efficient because the peripheral speed of the rotor's largest diameter is about the same as the fluid speed, whereas the Darrieus type The rotor speed is about 4 to 6 times higher than the wind speed, so efficiency is good. Therefore, the shaft rotation of the Savonius turbine should be increased and transmitted to the shaft rotation of the Darrieus wind turbine, and if the wind speed increases, the wind turbine The rotation of the shaft should be separated from the transmission of the rotation or be one-way so that the turbine does not become a brake.
  • the assembly has a buoyancy enough to balance the weight of the assembly, and is supported so as to be able to move up and down relatively with respect to the floating body.
  • a relative vertical movement between the assembly and the floating body is supported. It is good also as a structure provided with the vertical movement energy extraction part which takes out energy from.
  • the assembly has a buoyancy enough to balance the weight of the assembly and is supported so that it can move up and down relatively with respect to the floating body. , It moves up and down relatively due to the difference in the followability of each floating body. Then, energy (wave energy) is extracted from the relative vertical movement of the floating body and the assembly by the vertical movement energy extraction unit.
  • the assembly is relatively heavy and the water surface penetration is relatively thin, so there is relatively little buoyancy change due to draft fluctuations, and it swings up and down over a long period, while the floating body is relatively light and has a relatively light surface. Since the penetrating part is large, it follows the wave well, so that a relative vertical movement occurs in the wave.
  • the vertical kinetic energy extraction unit is a linear generator including a translator and a stator, and the linear generator connects the translator to one of the assembly and the floating body, and connects the stator to the other. And it is good also as a structure which produces electric power by the differential of the said translator and the said stator.
  • the vertical energy extraction unit is a linear generator including a translator and a stator, and the linear generator connects the translator to one of the assembly and the floating body, and connects the stator to the other. Therefore, it is possible to generate power directly from the relative vertical movement of the assembly and the floating body.
  • the vertical movement energy extraction part may be configured to include a rotational force conversion mechanism including any one of a ball screw, a rack and pinion, a connecting rod, a crank mechanism, and a gyro.
  • the vertical movement is converted into rotation by a rotational force conversion mechanism such as a ball screw, a rack and pinion, a connecting rod and a crank mechanism, or a gyro, so that the vertical movement energy is more efficiently rotated. It can be used for power generation with other generators.
  • the force receiving unit may include at least one of a lift type vertical axis wind turbine and a lift type vertical axis turbine, and may be activated by a rotational force obtained by the rotational force conversion mechanism.
  • the rotational force obtained by the rotational force conversion mechanism can be transmitted to the Darrieus-type windmill or Darrieus-type turbine and used for starting them, and the wind energy and tidal power energy are collected together.
  • the present invention is a wind-powered propulsion ship using the above-described floating-type fluid force utilization system, wherein the floating body is a hull, and the force receiving portion includes a wind receiving portion that receives wind force in the air.
  • the strut includes an upper strut that supports the wind receiving portion and a lower strut that supports a ballast disposed below the water surface, and is disposed below the water surface and is substantially reduced by wind power received by the wind receiving portion.
  • a propeller that rotates about a horizontal axis is provided.
  • the hull can be propelled by the propeller that rotates about the substantially horizontal axis by the wind force received by the wind receiving portion.
  • the assembly composed of the wind receiving portion and the support column is configured to be swingable with respect to the hull, and the center of gravity of the assembly is disposed below the surface of the water, so that the receiving force is large enough to obtain sufficient thrust.
  • a windmill having a force part it can be a safe wind-powered propulsion ship having sufficient restoring force, and the inclination and enlargement of the hull can be suppressed.
  • the assembly is restrained so as to be able to swing only in the roll direction of the hull by a restraining device that restrains the swinging direction of the assembly during navigation.
  • the propeller of the wind-powered propulsion ship may be configured to be installed on the ballast.
  • the rotation of the vertical axis wind turbine is accelerated and transmitted to the shaft penetrating down through the ballast, and the rotation is changed to the horizontal axis rotation by the bevel gear provided in the ballast, and the propeller provided there Can be configured to rotate and propel.
  • the ballast or the lower support column is preferably configured to function as a lift type keel.
  • the ballast or the lower support column functions as a lift type keel, so that the angle of attack of the keel can be adjusted by the rotation of the lower support column.
  • a ship that is propelled by receiving a large amount of wind energy is pushed by the wind and moves while slid to the leeward side when traveling under a crosswind.
  • This is the same for yachts, and in the case of high-performance yachts, if there is a skid speed, the combined speed with the forward speed will balance the keel with lift that pushes the yacht upwind to create an angle of attack on the underwater keel.
  • the resistance of the hull will increase by the amount of skidding because the structure is balanced only when there is some skidding.
  • the ballast keel system supported in a rotatable manner makes it possible to make the keel have an angle of attack so that the lift can be generated in the keel even if there is no skidding. You can go straight ahead and reduce hull resistance.
  • the two keels are arranged at the front and rear of the hull, and the two keels rotate so as to have an angle of attack in the same direction when going straight in response to a crosswind, and the keel at the front end and the rear when turning. It is good also as a structure which rotates so that the said keel of an end may have an angle of attack of mutually opposite direction.
  • the two keels rotate so as to have an angle of attack in the same direction when traveling straight due to a cross wind, and when turning, the keel at the front end and the keel at the rear end are opposite to each other. Since it rotates so as to have a corner, it is possible to eliminate the ladder and make a high-performance wind-propelled ship with little resistance.
  • an assembly having a center of gravity in water is supported so as to be able to swing on the floating body. Even if the force receiving part in the air is inclined by receiving a large force, the floating body does not incline, so that the restoring force of the floating body is always maintained, and there is an effect that the worker's access for inspection can be realized safely. .
  • the force receiving part in the air or underwater when exposed to an excessive fluid velocity, the force receiving part can be tilted naturally to release the fluid force. There is an effect to keep.
  • the increase in size of the floating body can be suppressed. Also, whether it is a horizontal axis wind turbine or a vertical axis wind turbine, most of the main equipment such as gearboxes, turntables, and generators can be installed on the floating body, facilitating inspection and maintenance, and at the time of installation and operation period. It is possible to reduce the crane work required at the height as much as possible.
  • FIG. 2B is a plan view when standing upright
  • (a) has shown the state at the time of erecting, and (b) at the time of inclination, respectively.
  • the state, (c) shows a state where the inclination is further increased. It is the figure which showed typically the relationship between the inclination at the time of providing an underwater ballast while supporting a vertical axis windmill with respect to a floating body so that it cannot tilt as Comparative Example 3.
  • the floating fluid force utilization system 1 swings an assembly, an assembly 12 including a wind receiving portion 10 that is arranged in the air and receives wind and a column 11 that supports the wind receiving portion 10. And a floating body 13 that supports it.
  • the assembly 12 includes a ballast 14 at the lower end of the column 11 for disposing the center of gravity 15 of the assembly 12 below the water surface.
  • the floating body 13 is connected to an anchor (not shown) by a mooring line 13a.
  • pillar 11 has the upper support
  • the support column 11 is installed in an opening 13 b provided substantially at the center of the floating body 13 so as to penetrate the floating body 13.
  • the opening 13b is formed in a tapered shape with an inner diameter that increases toward the bottom.
  • a support frame 20 for supporting the support column 11 is installed on the upper portion of the opening 13b.
  • the spherical portion 17 is placed on a donut-shaped elastic rubber bearing 18 and vulcanized and bonded, and the donut-shaped elastic rubber bearing is similarly formed on the spherical portion 17.
  • 19 is placed and vulcanized and bonded.
  • the outer end portions of both elastic rubber bearings 18 and 19 are vulcanized and bonded to the spherical inner surface 20 a of the support base 20.
  • the spherical inner surface 20 a is formed in a concentric spherical shape having a common center with the spherical portion 17.
  • the elastic rubber bearings 18 and 19 are members used for, for example, seismic isolation bearings for buildings, and the rubber plate and the metal plate are schematically shown in the sectional view of FIG. 3A (the radial direction of the spherical portion 17). ).
  • the elastic rubber bearings 18 and 19 have a characteristic that they are flexibly deformed with respect to a shearing force but are highly rigid with respect to compression. Therefore, the spherical portion 17 has a donut shape with respect to vertical and horizontal movements. Although firmly constrained by the compression characteristics of the rubber, the rotation about the center of the spherical portion 17 and the spherical inner surface 20a is flexibly supported by the shear deformation characteristics of the donut-shaped rubber. Therefore, as shown in FIG. 2B, the assembly 12 can be supported so as to be swingable with respect to the floating body 13.
  • the support base 20 is connected to the floating body 13 via a coil spring 21 so as to be flexibly received when the assembly 12 tries to swing beyond the design swing range.
  • the coil spring 21 may be provided as necessary and may be omitted.
  • the floating fluid force utilization system 1A employs a horizontal axis wind turbine 30 as a force receiving portion, and the upper strut 11a and the lower strut 11b are connected so as to be relatively rotatable. Is mainly different from the first embodiment described above. In the following description, differences from the first embodiment will be mainly described, and the same components are denoted by the same reference numerals and description thereof will be omitted.
  • the assembly 12 of the floating fluid force utilization system 1A includes a horizontal axis windmill 30 at the upper end of the upper support 11a. Moreover, the upper support
  • the assembly 12 of the floating fluid force utilization system 1A has an upper support that supports the wind turbine while the floating body 13 remains horizontally stable when the horizontal axis wind turbine 30 is exposed to excessive wind speed.
  • the wind force received by the horizontal axis windmill 30 can be greatly reduced by the effect of allowing the assembly 12 including 11a to be inclined and receiving the wind by the inclination and the effect of lowering the wind receiving portion to a low wind speed.
  • the possibility of damage to the horizontal axis wind turbine 30 due to strong winds can be reduced, and therefore a pitch control system and a brake system are not necessarily required.
  • the assembly 12 of the floating body fluid force utilization system 1A has a restoring force in itself, it is not necessary to firmly support the upper support 11a on the floating body 13, and therefore, as shown in FIGS. 5 (a) and 5 (b).
  • the horizontal axis windmill 30 can be supported so as to be rotated with respect to the floating body 13 together with the upper support pillar 11a. Therefore, the turntable 31 for directing the windmill in the wind direction, which is always necessary for the horizontal axis windmill, is not directly under the nacelle 32 in the air, but near the deck of the floating body 13 as shown in FIGS. 6 (a) and 6 (b). It can be provided on the upper end of the lower support 11b.
  • a speed increasing gear, a generator, and the like (not shown) that are required to be installed on the nacelle 32 are also directly above the turn table 31, that is, a floating body. It can be provided in the machine room 33 (see FIG. 6A) near the 13 decks. In this case, the rotation of the horizontal shaft in the air is converted to the rotation of the vertical shaft by the bevel gear provided inside the nacelle 32, and the transmission shaft is rotated inside the upper support 11a to increase the speed increasing gear in the machine chamber 33. Can be transmitted to the generator.
  • the pitch control system, speed-up gear, its lubricating oil system, generator, associated control panel, brake system, and turntable are all installed in the air nacelle 32 in a typical horizontal axis wind turbine.
  • a machine chamber 33 and an insertion shaft portion 34 are provided at the lower end of the upper support 11a.
  • a turntable 31 is provided at the upper end of the lower support 11b.
  • a shaft hole 35 is provided at the center of the turntable 31, and bearings 35 a and 35 a for rotatably supporting the insertion shaft portion 34 are disposed at the upper end and the lower end of the shaft hole 35.
  • a spherical portion 17 is integrally provided on the upper side of the lower support 11b.
  • the floating fluid force utilization system 1B according to the third embodiment (1) adopts a Darrieus type windmill 40 as a force receiving portion, (2) adopts a Savonius type turbine 50 as a ballast 14, And (3) The point which the lower support
  • differences from the first and second embodiments will be mainly described, and the same reference numerals will be given to common configurations, and description thereof will be omitted.
  • the floating fluid force utilization system 1B includes a Darrieus-type windmill 40 that is a kind of a lift-type vertical-axis windmill as a force receiving portion.
  • the Darrieus-type windmill 40 includes an upper column 11a serving as a vertical axis, and three blades 41 provided at equal intervals around the upper column 11a.
  • the upper end 41a and the lower end 41b of the blade 41 are respectively supported by an upper bracket 42 provided at the upper end of the upper support 11a and a lower bracket 43 provided at the lower end of the upper support 11a so as to be vertically rotatable.
  • the intermediate part 41c of the blade 41 is configured in a hinge structure.
  • the lower bracket 43 is configured to be slidable with respect to the upper column 11a.
  • the blade 41 is configured to be able to change its turning radius r by bending the intermediate portion 41c of the blade 41 by sliding the lower bracket 43 up and down.
  • the Savonius-type water turbine 50 also functions as the ballast 14, and its upper end is supported by the lower support 11b.
  • the Savonius type water turbine 50 includes blades 51 and 51 having a shape obtained by dividing a cylindrical body in the axial direction. The two blades 51 and 51 are coupled in a shape shifted from each other along the dividing plane.
  • the Savonius-type water turbine 50 rotates when a tidal current passes through a space 51 a surrounded by the blades 51, 51.
  • the Savonius type water turbine 50 according to the third embodiment has a structure in which such blades 51 and 51 are stacked in two stages in the vertical direction and are arranged 90 degrees out of phase with each other.
  • the product of the distance from the swing center of the column 11 to the center of gravity of the Savonius type turbine 50 and the weight of the Savonius type turbine 50 in water is from the center of swing of the column 11 to the center of gravity of the Darrieus wind turbine 40.
  • the arrangement, dimensions, mass, and the like are set so as to be larger than the product of the distance and the air weight of the Darrieus wind turbine 40.
  • mold water turbine 50 functions also as the ballast 14, the gravity center of the assembly 12 is arrange
  • pillar 11b, and the spherical part 17 are connected so that relative rotation is possible.
  • the upper column 11a is integrally coupled to the upper portion of the connecting member 11c at the lower end thereof by a taper shank.
  • the lower end side of the connecting member 11c is inserted into the upper end portion of the lower support 11b and is rotatably connected.
  • the upper end side of the connecting member 11c is formed in a tapered shape having a diameter that decreases toward the upper side, and is inserted into a reverse tapered hole portion 11a1 formed in the lower end portion of the upper column 11a.
  • the upper end portion 11c1 of the connecting member 11c is formed with a thread groove, and by tightening the nut N, the lower support 11b is attracted to the upper support 11a via the connecting member 11c, and is integrally coupled.
  • a bearing B is installed at an appropriate position between the connecting member 11c and the lower support 11b, and can rotate relative to each other.
  • a spherical portion 17 is fitted on the outer side of the upper end portion of the lower support 11b.
  • a bearing B is provided between the spherical portion 17 and the lower support column 11b, and can rotate relative to each other.
  • the spherical portion 17 is swingably supported on the support frame 20 via elastic rubber supports 18 and 19.
  • the upper strut 11a, the lower strut 11b, and the spherical portion 17 can be rotated relative to each other while being firmly connected in a rigid state in the axial direction, and as shown in FIG. 13 is swingable.
  • a cylindrical part 11d having an open top is formed at the upper end of the lower support 11b. And between this cylindrical part 11d and the connection member 11c (namely, between the upper support
  • the gear system 60 is composed of, for example, a planetary gear system, and has a function of rotating the upper column 11a and the lower column 11b coaxially in the reverse direction.
  • the gear system 60 is disposed between the sun gear 61 and the ring gear 62, a sun gear 61 carved around the connecting member 11c, a ring gear 62 connected to the cylindrical portion 11d via a ratchet mechanism 64 described later.
  • a plurality of planetary gears 63 is movably connected to the spherical portion 17 by a carrier (not shown).
  • the Savonius type turbine 50 and the lower support 11b start to rotate clockwise as viewed from above due to the tidal current
  • the upper support 11a and the Darrieus wind turbine 40 are rotated counterclockwise as viewed from above by the gear system 60. Will start (start).
  • the startability of the Darrieus type windmill 40 can be improved.
  • the gear system 60 also has a function as a speed increasing device for increasing the rotation of the lower support 11b and transmitting it to the upper support 11a.
  • a function as a speed increasing device for increasing the rotation of the lower support 11b and transmitting it to the upper support 11a.
  • the gear ratio of the planetary gear system when the Savonius type turbine 50 (that is, the ring gear 62) rotates once, the Darrieus type windmill 40 (that is, the sun gear 61) rotates a plurality of times (for example, eight times).
  • the design rotational speed of a windmill and the design rotational speed of a water turbine can each be set appropriately according to a wind speed and a flow velocity.
  • the design tidal velocity at startup is 0.3 m / sec and the design wind speed is 3 m / sec.
  • the Darius-type windmill 40 it is necessary to activate the Darius-type windmill 40 so that the peripheral speed of the Darius-type windmill 40 is about three times the wind speed, that is, about 9 m / second or more. If the rotation radius r of the Darrieus type windmill 40 is 20 m, it is necessary to rotate at 4.3 rpm.
  • the Savonius-type water turbine 50 can rotate only at the same peripheral speed as the tidal current.
  • the Savonius type turbine 50 has a fluid velocity of 1/10 compared to the case where it is installed in the air. Therefore, if the specific gravity of the fluid is the same, the generated torque is the square of 100 minutes. 1. Since the speed is further reduced to 1/8 due to further speed increase, the torque for starting the Darrieus wind turbine 40 is 1/800, but in fact the specific gravity of the fluid is increased by 800 times.
  • the Darrieus type windmill 40 can be started by the Savonius type turbine 50 having the same size as the land type.
  • the ratchet mechanism 64 has a function of not transmitting the rotation of the upper column 11a to the lower column 11b under a predetermined condition. Specifically, when the Savonius-type turbine 50 starts to rotate from a stopped state, the rotation of the Savonius-type turbine 50 is transmitted to the ring gear 62 via the ratchet mechanism 64, and is transmitted to the sun gear 61 as the ring gear 62 rotates. The connected Darius-type windmill 40 starts rotating at a speed eight times in the opposite direction to the Savonius-type turbine 50.
  • the ring gear is moved with respect to the ratchet mechanism 64. 62 idles.
  • the rotation of the Darrieus wind turbine 40 is not transmitted to the Savonius turbine 50. Therefore, the Savonius type turbine 50 does not become a load (brake) of the Darrieus type wind turbine 40.
  • a power generation device 70 having a rotor 71 and a stator 72 is installed inside the cylindrical portion 11 d and below the gear system 60.
  • the rotor 71 is fixed to the connecting member 11c, and the stator 72 is fixed to the cylindrical portion 11d.
  • the electric power generating apparatus 70 can generate electric power efficiently by the differential speed between them.
  • a counter torque acts between the rotor 71 and the stator 72, but the rotor 71 and the stator 72 are respectively fixed to the upper column 11a and the lower column 11b that rotate in reverse, so the counter torque is canceled out. Therefore, the mooring equipment for preventing the rotation of the floating body 13 can be simplified and downsized.
  • a ratchet 75 is also provided between the cylindrical portion 11d and the spherical portion 17.
  • the retractor mechanism of the Darrieus wind turbine 40 in the third embodiment will be described with reference to FIG.
  • the Darrieus type windmill 40 can deform the blade 41 linearly by sliding the lower bracket 43 downward with respect to the upper column 11a.
  • the radius of rotation r of the Darrieus-type windmill 40 can be made substantially zero to prevent the blade 41 from being damaged by strong winds, and the wind receiving area can be reduced to reduce the overturning moment.
  • the floating body hydrodynamic force utilization system 1C according to the fourth embodiment has the above-described first aspect in that the assembly 80 has buoyancy alone, and that power is generated by the difference in vertical movement caused by the waves of the assembly 80 and the floating body 13. Or mainly different from the third embodiment.
  • the floating fluid force utilization system 1C includes an assembly 80 having buoyancy and a floating body 13 that supports the assembly 80 so as to be swingable, rotatable, and vertically movable.
  • the assembly 80 mainly has, for example, a Darrieus type vertical axis water turbine 81 and a support column 82 serving as a rotation axis.
  • the assembly 80 has a buoyancy that allows the assembly 80 itself to float on the water surface, for example, by configuring the support 82 with a hollow member. Since the assembly 80 is formed in a vertically elongated shape, it is difficult to be affected by the vertical movement of the water surface due to waves. On the other hand, the floating body 13 is more susceptible to the vertical movement of the water surface due to the waves than the assembly 80. Therefore, the assembly 80 and the floating body 13 move up and down relatively by the difference in response speed with respect to waves.
  • the assembly 80 Since the assembly 80 is swingably supported by the floating body 13, even when a large tidal force is applied, the assembly 80 can be tilted to release the tidal force as shown in FIG. 10B. Further, since the vertical axis turbine 81 functions as a ballast, the assembly 80 can be restored to a vertical state. Furthermore, since the assembly 80 is rotatably supported with respect to the floating body 13, tidal energy can be extracted by rotating a power generation device 70 (see FIG. 11) described later by the rotation of the assembly 80. The assembly 80 is supported so as to be movable up and down with respect to the floating body, and includes a rotational force conversion mechanism 88 that converts vertical motion into rotational force. As a result, the relative vertical movement of the assembly 80 can be converted into rotational movement and used for the starting force of the Darrieus type vertical axis turbine 81.
  • the spherical portion 17 of the assembly 80 is swingably supported by the support frame 20 via the elastic rubber bearings 18 and 19 as in the other embodiments described above.
  • an upper end portion 83 of a support 82 serving as a rotation shaft of the vertical axis water turbine 81 is disposed so as to penetrate vertically.
  • a ball spline bush 86 which is a linear bearing, is fitted to the upper end 83 of the column 82.
  • the ball spline bush 86 is installed so as to be relatively movable in the vertical direction (axial direction) with respect to the upper end portion 83 of the column 82.
  • the ball spline bush 86 is held by the spherical portion 17 so as not to move up and down. Further, the ball spline bush 86 is rotated together with the support 82 by engaging with a spline groove 86 a carved in the upper end portion 83 of the support 82.
  • a rotor 71 of a power generator 70 is fixed to the ball spline bush 86, and a stator 72 is fixed to the inner peripheral surface of the spherical portion 17.
  • the rotor 71 rotates together with the ball spline bush 86. Since the stator 72 is fixed to the spherical portion 17 and does not rotate, power is generated by the relative rotation of the rotor 71 and the stator 72. The counter torque generated in the stator 72 is borne by the mooring system of the floating body 13.
  • a portion of the upper end portion 83 of the support 82 that protrudes from the spherical portion 17 is provided with a thread groove 83a and a nut 84 fitted therein, forming a so-called ball screw mechanism.
  • a cylindrical nut holding portion 17 a is formed on the upper portion of the spherical portion 17 so as to hold the nut 84 rotatable in one direction and not vertically movable via a ratchet mechanism 85.
  • the thread groove 83a, the nut 84, the ratchet mechanism 85, and the nut holding portion 17a constitute a rotational force converting mechanism 88.
  • the vertical axis turbine 81 is activated by the torque conversion mechanism 88.
  • the nut 84 can rotate counterclockwise when viewed from above (becomes free with respect to the ratchet), but a ratchet mechanism 85 is provided so that it cannot rotate clockwise, and a Darrieus type vertical A shaft water turbine 81 is provided to rotate counterclockwise. Further, the thread groove 83a is engraved so that the column 82 moves downward relative to the nut 84 when the column 82 is rotated counterclockwise with respect to the nut 84 when viewed from above.
  • the vertical axis turbine 81 When the vertical axis turbine 81 is activated and starts to rotate counterclockwise, the vertical axis turbine 81 attempts to move downward with respect to the nut 84. However, since the vertical axis water turbine 81 has buoyancy, after moving downward to some extent, there is a state where it cannot move further downward. Then, the nut 84 rotates counterclockwise in the same manner as the vertical axis turbine 81 so that the relative positional relationship with the vertical axis turbine 81 does not change, and at this time, the ratchet mechanism 85 idles. As a result, the vertical axis water turbine 81 rotates and power generation is performed by the power generation device 70.
  • an auxiliary power generation device including a linear generator (not shown) may be installed between the ball spline bush 86 and the support 82.
  • a linear generator for example, a translator is attached to the ball spline bush 86 and a stator is attached to the upper end portion 83 of the column 82. In this way, power generation can be performed using the relative vertical movement of the ball spline bush 86 and the support 82.
  • a ball screw mechanism including a screw groove 83a and a nut 84 is employed as the rotational force conversion mechanism.
  • a rack and pinion mechanism, a connecting rod, a crank mechanism, a gyro mechanism, or the like is used instead of the ball screw mechanism. It may be adopted.
  • the wind-powered propulsion ship 100 is a so-called yacht, and includes a hull 101 that is a floating body and a fixed wing 102 that is an assembly.
  • the fixed wing 102 has a support column 103 disposed through the hull 101.
  • the support column 103 is supported by the hull 101 so as to be swingable and rotatable.
  • pillar 103 is provided with the upper support
  • the lower support 103b is a part that is formed wide in the front-rear direction and functions as a keel.
  • a ballast 104 is installed at the lower end of the lower column 103b. By this ballast 104, the center of gravity of the fixed wing 102 is disposed below the water surface.
  • a damper device 105 is installed inside the hull 101 that restrains the swing of the column 103 in the front-rear direction. The base end of the damper device 105 is connected to the hull 101, and the tip of the damper device 105 is connected to the upper portion of the keel of the lower column 103b.
  • the support mechanism 101a that supports the support column 103 in a swingable and rotatable manner is not particularly limited, and for example, the support mechanisms described in the second to fourth embodiments can be appropriately employed.
  • the wind-powered propulsion ship 100 can travel while keeping the hull 101 directed in the traveling direction by rotating the keel of the lower support column 103b to prevent the skidding due to the crosswind when traveling by receiving the crosswind. Further, even if the fixed wing 102 is inclined by receiving a large force according to the wind force, the wind power propulsion ship 100 does not roll the hull 101, and the lower strut 103b and the ballast 104 are inclined to generate a restoring force. As a result, it is possible to prevent the hull 101 from tilting and sacrificing habitability, increasing the hull resistance, shifting the resistance center in the lateral direction and requiring a rudder, and further increasing the resistance. A good yacht can be realized.
  • the wind power propulsion ship 110 according to the sixth embodiment has the fifth embodiment described above in that the wind receiving portion is configured by the Darius type windmill 40 and the propeller 116 that rotates by the rotation of the Darius type windmill 40. Mainly different from the wind-powered propulsion ship 100 according to the embodiment.
  • the wind-powered propulsion ship 110 includes two assemblies 112 and 112 before and after the hull 111.
  • Each assembly 112 is supported so as to be swingable and rotatable with respect to the hull 111 via a support mechanism 111a.
  • Each assembly 112 mainly includes a support column 113 that supports the force receiving portion and a Darrieus type windmill 40 as the force receiving portion. Since the structure of the Darrieus-type windmill 40 is the same as that of the third embodiment, detailed description thereof is omitted.
  • the support column 113 includes an upper support column 113a and a lower support column 113b.
  • the upper strut 113a is a part that functions as a rotation axis of the Darrieus wind turbine 40.
  • the lower support 113b is formed to be wide in the front-rear direction and functions as a keel.
  • a ballast 115 is installed at the lower end of the lower support 113b.
  • the ballast 115 has a propeller 116 that rotates in conjunction with the rotation of the Darrieus wind turbine 40.
  • the support column 113 is swung only in the roll direction by the restraining device 117.
  • the restraining device 117 is configured by, for example, a hydraulic damper.
  • the assembly 112 is configured to be swingable with respect to the hull 111.
  • the wind power propulsion ship 110 does not roll the hull 111 even when the assembly 112 receives a large force according to the wind force and tilts, and the lower support 113b and the ballast 115 tilt to generate a restoring force.
  • a good wind propulsion ship 110 can be realized.
  • the support mechanism 111a includes a spherical portion 113c formed at the upper end of the lower support 113b, elastic rubber bearings 18 and 19 that support the spherical portion 113c in a swingable manner, and an elastic rubber bearing 18, And a support base 20 that supports the support 19.
  • a cylindrical portion 113d that opens downward is formed at the lower end of the upper support 113a.
  • the cylindrical portion 113d is rotatably held by the spherical portion 113c.
  • a speed increasing device 120 is installed inside the cylindrical portion 113d.
  • the speed increasing device 120 includes a ring gear 121, a planetary gear 122, and a sun gear 123.
  • the ring gear 121 is connected to the cylindrical portion 113d through a ratchet 124.
  • the planetary gear 122 is movably connected to the spherical portion 113c by a carrier (not shown).
  • the sun gear 123 is engraved on the outer peripheral surface of the rotary shaft 131 described later. Accordingly, when the upper support 113a rotates, the rotating shaft 131 rotates at a predetermined speed increasing ratio.
  • Rotating shaft 131 is rotatably supported at the lower end of upper support 113a.
  • the rotating shaft 131 passes through the spherical portion 113c and the lower support 113b and reaches the ballast 115.
  • a bevel gear 132 is provided at the lower end of the rotating shaft 131.
  • the bevel gear 132 is engaged with two bevel gears 116 b provided at the front end of the horizontal shaft 116 a of the propeller 116. Thereby, the rotation of the rotating shaft 131 is converted into the horizontal axis rotation of the horizontal shaft 116 a, and a propulsive force is generated by the rotation of the propeller 116.
  • a power generation device 70 is installed inside the spherical portion 113c and below the speed increasing device 120.
  • the rotor 71 of the power generation device 70 is fixed to the outer peripheral surface of the rotating shaft 131, and the stator 72 of the power generation device 70 is fixed to the spherical portion 113c.
  • the rotor 71 rotates with the rotation of the rotating shaft 131, so that power generation is performed by the power generation device 70.
  • the restraint device 117 (see FIG. 13) is released, so that the assembly 112
  • the two axes in the roll and pitch directions are allowed to swing, and power is generated by the wind received by the Darrieus wind turbine 40.
  • the power generation device 70 is configured so as to be able to supplement the rotational force of wind power as an electric motor during navigation.
  • the vertical movement mechanism of the fourth embodiment may be added to the support mechanism of the floating fluid force utilization system 1B according to the third embodiment. If it does in this way, the Darrieus type windmill 40 of floating body type fluid force utilization system 1B can be started by the vertical motion of assembly 12 to floating body 13.
  • the vertical movement mechanism of the fourth embodiment may be added to the support mechanism 111a of the wind-propelled ship 110 according to the sixth embodiment.
  • pillar 11b are coaxially provided by providing the gear system 60 between the upper support
  • the gear system 60 can be omitted if the directions of the wind turbine and the blades of the water turbine are set to rotate in the opposite directions.
  • the lower support 113b and the ballast 115 functioning as a keel are configured to rotate integrally with the hull 111, but the present invention is not limited thereto. Instead, only the lower support 113b serving as a keel may be configured to rotate.
  • a Darrieus type windmill 40 which is a lift type vertical axis windmill, is provided on the upper column 11a, and a drag type vertical axis turbine is provided on the lower column 11b.
  • the Savonius-type water turbine 50 is provided and the support 11 is swingably supported with respect to the floating body 13.
  • the support 11 may be supported so as not to swing.
  • the column 11 is not necessarily provided unless it is necessary to set the weight to be inclined when receiving an excessive tidal force in order to receive an excessive tidal force. It is not necessary to swingably support the floating body 13. In that case, it is good also as a structure which omits the spherical part 17 and the elastic rubber bearings 18 and 19 while connecting the support

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ocean & Marine Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Power Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Oceanography (AREA)
  • Wind Motors (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
PCT/JP2012/078487 2011-11-04 2012-11-02 浮体式流体力利用システム及びこれを用いた風力推進船 WO2013065826A1 (ja)

Priority Applications (10)

Application Number Priority Date Filing Date Title
KR1020147011395A KR101640386B1 (ko) 2011-11-04 2012-11-02 부체식 유체력 이용시스템 및 이것을 이용한 풍력추진선
CN201280053825.9A CN104040170B (zh) 2011-11-04 2012-11-02 浮体式流体力利用系统及使用该系统的风力推进船
US14/356,086 US9751602B2 (en) 2011-11-04 2012-11-02 Floating structure fluid dynamic force use system and wind-propelled vessel
RU2014122541A RU2607713C2 (ru) 2011-11-04 2012-11-02 Система использования динамической силы текучей среды на плавучей конструкции и судно, приводимое в движение ветром
EP12844964.2A EP2775140A4 (en) 2011-11-04 2012-11-02 SYSTEM FOR USING THE DYNAMIC FLUID FORCE OF A FLOATING STRUCTURE AND A WIND-PROPELLED VESSEL
AU2012333478A AU2012333478B2 (en) 2011-11-04 2012-11-02 Floating structure fluid dynamic force use system and wind-propelled vessel
EP17196371.3A EP3333417B1 (en) 2011-11-04 2012-11-02 Floating structure fluid dynamic force use system and wind-propelled vessel
BR112014010317-8A BR112014010317B1 (pt) 2011-11-04 2012-11-02 sistema utilizando força dinâmica de fluído em estrutura flutuante e embarcação de propulsão eólica
SG11201402000QA SG11201402000QA (en) 2011-11-04 2012-11-02 Floating structure fluid dynamic force use system and wind-propelled vessel
CA2854072A CA2854072C (en) 2011-11-04 2012-11-02 Floating structure fluid dynamic force use system and wind-propelled vessel

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JP2011-242677 2011-11-04
JP2011242677A JP5918503B2 (ja) 2011-11-04 2011-11-04 浮体式流体力利用システム及びこれを用いた風力推進船

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AU (1) AU2012333478B2 (ru)
BR (1) BR112014010317B1 (ru)
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KR20170008775A (ko) 2014-07-17 2017-01-24 모덱, 아이엔씨. 해상 구조물의 시공 방법 및 해상 구조물
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SG11201402000QA (en) 2014-10-30
JP5918503B2 (ja) 2016-05-18
US9751602B2 (en) 2017-09-05
BR112014010317A2 (pt) 2017-05-02
AU2012333478B2 (en) 2016-08-11
CA2854072A1 (en) 2013-05-10
JP2013096373A (ja) 2013-05-20
KR20140075766A (ko) 2014-06-19
CA2854072C (en) 2019-07-09
EP2775140A4 (en) 2015-12-09
RU2607713C2 (ru) 2017-01-10
RU2014122541A (ru) 2015-12-10
EP3333417B1 (en) 2019-03-13
BR112014010317B1 (pt) 2021-03-16
AU2012333478A8 (en) 2016-07-14
PT3333417T (pt) 2019-05-28
ES2726010T3 (es) 2019-10-01
AU2012333478A1 (en) 2014-06-26
US20140322996A1 (en) 2014-10-30
KR101640386B1 (ko) 2016-07-18
CN104040170B (zh) 2017-02-15
EP3333417A1 (en) 2018-06-13
CN104040170A (zh) 2014-09-10
EP2775140A1 (en) 2014-09-10

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